Fire detector



1.1 is a top view.

1.2 is a bottom view.

1.3 is a side view.

1.4 is a side view.

1.5 is a side view.

1.6 is a side view.

1.7 is a perspective view.

The broken line showing is included for the purpose of illustrating portions of the fire detector and form no part of the claimed design. 

CLAIM The ornamental design for fire detector, as shown and described. 